| 5406262 |
Adjusting magnetic bias field intensity in EAS presence detection system to enhance detection |
Lincoln H. Charlot, Jr., Ming-Ren Lian, Douglas A. Drew |
1995-04-11 |
| 5347262 |
Theft-deterrent device providing force-sensitive tamper detection |
Robert C. Thurmond, Edward J. DiCarlo, Dennis L. Hogan, John L. Lynch, Hildan B. Russell |
1994-09-13 |
| 5241298 |
Electrically-and-magnetically-coupled, batteryless, portable, frequency divider |
Ming-Ren Lian |
1993-08-31 |
| 5065137 |
Magnetically-coupled, two-resonant-circuit, frequency-division tag |
— |
1991-11-12 |
| 5065138 |
Magnetically-coupled two-resonant-circuit, frequency divider for presence-detection-system tag |
Ming-Ren Lian |
1991-11-12 |
| 4692746 |
Recording-tape-reel assembly with electronic tag |
Richard J. Budin, James G. Wyatt, Jr. |
1987-09-08 |
| 4670740 |
Portable, batteryless, frequency divider consisting of inductor and diode |
Lincoln H. Charlot, Jr. |
1987-06-02 |